What organism is responsible for sebacute bacterial endocarditis?

Answer 1

Streptococcus viridans is responsible for sub acute bacterial endocarditis. This is relatively a benign organism, which is responsible for dental caries. It can affect the damaged heart valves and cause the above mentioned condition. Which is very difficult to cure, once established. You have to give two grams of amoxicillin about one hour prior to dental procedure to prevent this condition in such patients.

Answer 2

Staphylococcus aureus is a common organism responsible for causing acute bacterial endocarditis, an infection of the inner lining of the heart chambers and valves. This bacterium can enter the bloodstream through open wounds or mucous membranes, leading to infection in the heart.